11464859
Beschreibung
Quiz von PEDRO ÁLVAREZ JIMÉNEZ, aktualisiert more than 1 year ago
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Erstellt von PEDRO ÁLVAREZ JIMÉNEZ
vor mehr als 6 Jahre
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Frage 1
Antworten
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Other carbon-based life forms in our galaxy
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Unusual radio signals from other galaxies
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Planets around nearby stars within our galaxy
Frage 2
Frage
According to Anderson, if we extrapolate the Kepler data, how many life-supporting planets could there be in our galaxy?
Image:
2 (binary/octet-stream)
Antworten
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Two dozen
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Fifty million
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Hundreds
Frage 3
Antworten
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How can we be certain that extraterrestrials haven’t already colonized Earth at some point in its history?
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What do we mean by “intelligent life”?
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Where is everybody?
Frage 4
Frage
Anderson says that possible answers to Fermi’s question include
Image:
4 (binary/octet-stream)
Antworten
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Aliens have existed, but they destroyed themselves before we came on the scene
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We’re not looking hard enough
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They’re communicating in ways we can’t currently detect
Frage 5
Antworten
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Increase tourism revenue in various UFO hotspots
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Engage citizen scientists to help with its work
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Demonstrate its credibility to detractors
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